Erika and Sakaki manage to escape from under Sensei with her mother's guidance. Apparently, she's been making preparations, little by little, for Erika to run away one day. Erika learns of thoughts and feelings she didn't know her mother had.
After making contact with Mikado and the others, Erika tells them that she wants Sensei to stop doing the work they do, not just herself. Mikado decides to help, but it seems that Hiyakawa can't understand Erika and Mikado's feelings.
Which is why I must make
 a child to inherit this house.
لذا عليّ إنجاب طفل كي أرث هذا المنزل
Deswegen muss auch ich Kinder zeugen
und dieses Haus weitergeben.
Por eso debo tener un hijo
y hacer que herede la casa.
Por eso debo tener un hijo
y hacer que herede la casa.
Voilà pourquoi je dois avoir un enfant.
Pour hériter de la maison.
Per questo anche io devo fare dei bambini
Por isso preciso fazer
um filho para herdar a casa.
Как и всем, мне придётся завести ребёнка,
чтобы он унаследовал дом.